![](https://www.flyingmag.com/uploads/2021/08/httpswww.flyingmag.comsitesflyingmag.comfilesimport2013sitesallfiles_images201308B-1B-thumb.jpg?auto=webp&auto=webp&optimize=high&quality=70&width=1440)
** A B-1B Lancer drops back after air refueling
training in Sept. 30, 2005. The B-1 is from
the 28th Bomb Wing, Ellsworth AFB,
South Dakota.** U.S. Air Force
An Air Force B-1 bomber crashed in a remote area of southeastern Montana on Monday moments after its four crew members safely ejected, officials said.
Two pilots and two weapons system officers were aboard the B-1 before it crashed at about 9:30 a.m. near Broadus, Montana. All four were transported to two South Dakota hospitals, but none suffered life-threatening injuries, according to the Air Force.
Built in 1985, the B-1 involved in the crash was based at South Dakota's Ellsworth Air Force Base, one of two bases in the U.S. that field the swept-wing bomber. Ellsworth has 27 other B-1s. Ellsworth has temporarily ground its B-1 fleet as base commanders work to determine what caused the crash.
Monday’s crash was the 10th for the B-1 since 1984, out of 104 built.
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